A.O. Scott of the New York Times writes, "Syriana,' written and directed by Stephen Gaghan (who also wrote 'Traffic,' its obvious precursor), is a movie that demands and rewards close attention. Loosely based on the memoirs of a C.I.A. veteran, Robert Baer, on whom Mr. Clooney's character is modeled, it aims to be a great deal more than a standard geopolitical thriller and thereby succeeds in being one of the best geopolitical thrillers in a very long time." Click over for the rest of the review.Watch the Syriana trailer.